What it is: A market failure occurs when the supply of a good or service is insufficient to meet demand. This results in an inefficient distribution of resources among market participants. Under free market conditions, prices are determined almost exclusively by the forces of supply and demand.
NuvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.This is the earliest possible date that a generic version of NuvaRing could become available. However, there are other circumstances that could come up to extend the exclusivity period of NuvaRing beyond 2018.This could include such things as other patents for specific NuvaRing uses or lawsuits.uvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.
Nothing happens to a provisional patent application one year after filing. After the one-year point, that provisional application for patent can no longer be used as a priority-date for a non-provisional application. The provisional application is not examined by the examiner or used for any purpose regarding any non-provisional application that may be filed after the one-year term expires.